docs: def dP_demister_dry_Setekleiv_Svendsen(S, voidage, vs, rho, mu, L=1):
      r'''Calculates dry pressure drop across a demister, using the
      correlation in [1]_. This model is for dry demisters with no holdup only.
  
      .. math::
          \frac{\Delta P \epsilon^2}{\rho_f v^2} = 10.29 - \frac{565}
          {69.6SL - (SL)^2 - 779} - \frac{74.9}{160.9 - 4.85SL} + 45.33\left(
          \frac{\mu_f \epsilon S^2 L}{\rho_f v}\right)^{0.75}
  
      Parameters
      ----------
      S : float
          Specific area of the demister, normally ~250-1000 [m^2/m^3]
      voidage : float
          Voidage of bed of the demister material, normally ~0.98 []
      vs : float
          Superficial velocity of fluid, Q/A [m/s]
      rho : float
          Density of fluid [kg/m^3]
      mu : float
          Viscosity of fluid [Pa*s]
      L : float, optional
          Length of the demister [m]
  
      Returns
      -------
      dP : float
          Pressure drop across a dry demister [Pa]
  
      Notes
      -----
      Useful at startup and in modeling. Dry pressure drop is normally negligible
      compared to wet pressure drop. Coefficients obtained by evolutionary
      programming and may not fit data outside of the limits of the variables.
  
      Examples
      --------
      >>> dP_demister_dry_Setekleiv_Svendsen(S=250, voidage=.983, vs=1.2, rho=10, mu=3E-5, L=1)
      320.3280788941329
  
      References
      ----------
      .. [1] Setekleiv, A. Eddie, and Hallvard F. Svendsen. "Dry Pressure Drop in
         Spiral Wound Wire Mesh Pads at Low and Elevated Pressures." Chemical
         Engineering Research and Design 109 (May 2016): 141-149.
         doi:10.1016/j.cherd.2016.01.019.
      '''
      term = 10.29 - 565./(69.6*S*L - (S*L)**2 - 779) - 74.9/(160.9 - 4.85*S*L)
      right = term + 45.33*(mu*voidage*S**2*L/rho/vs)**0.75
      return right*rho*vs**2/voidage**2